EP0178239B2 - Verfahren zum Umbauen einer Erntemaschine von einer Arbeitsposition zu einer Transportposition und Erntemaschine, die dieses Verfahren anwendet - Google Patents

Verfahren zum Umbauen einer Erntemaschine von einer Arbeitsposition zu einer Transportposition und Erntemaschine, die dieses Verfahren anwendet Download PDF

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Publication number
EP0178239B2
EP0178239B2 EP85440050A EP85440050A EP0178239B2 EP 0178239 B2 EP0178239 B2 EP 0178239B2 EP 85440050 A EP85440050 A EP 85440050A EP 85440050 A EP85440050 A EP 85440050A EP 0178239 B2 EP0178239 B2 EP 0178239B2
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Prior art keywords
transport
wheels
working
harvesting machine
draw
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Expired - Lifetime
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EP85440050A
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English (en)
French (fr)
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EP0178239A1 (de
EP0178239B1 (de
Inventor
Rino Ermacora
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Kuhn SAS
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Kuhn SAS
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/002—Carriers for the transport of harvesters or mowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B73/00—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width
    • A01B73/005—Means or arrangements to facilitate transportation of agricultural machines or implements, e.g. folding frames to reduce overall width for endwise transportation, i.e. the direction of transport being substantially perpendicular to the direction of agricultural operation

Definitions

  • the present invention relates to a method of transforming a harvesting machine in order to bring it from a working position in which the longitudinal axis of its body extends transversely to the working direction, in a position of transport in which the longitudinal axis of its body extends parallel, or at least substantially parallel to the direction of transport while remaining coupled to the tractor.
  • a harvesting machine comprising a body which is supported at work on two wheels extending to the rear part of said body, and a drawbar connected to the body by means of a hinge d 'axis directed upwards, drawbar by means of which the harvesting machine can be hooked to the coupling device of a tractor.
  • the body of this known harvesting machine comprises a chassis which rolls on the ground by means of two wheels and a cutter bar extending in the working position in front of said chassis. This cutter bar is linked to the chassis by means of connecting rods forming a deformable parallelogram.
  • a lifting device with hydraulic cylinders acts on said parallelogram to raise the cutter bar ( Figure 1).
  • the chassis meanwhile, consists of a main chassis and a movable auxiliary chassis which supports said main chassis.
  • This mobile auxiliary chassis comprises a first structure supporting the main chassis by means of a vertical pivot shaft and a second structure supporting the first structure and said wheels.
  • the first structure comprises a tubular member and the second structure a cylindrical member capable of rotating inside the tubular member. At each of its ends extending outside the tubular member, the cylindrical member is provided with an arm, at the free end of which one of said wheels is arranged.
  • This known harvesting machine additionally comprises a certain number of pivoting control devices produced in the form of hydraulic cylinders.
  • a first hydraulic cylinder acts between the body of the machine and the drawbar to bring this drawbar into its working positions ( Figures 3 and 8) and into its transport position ( Figure 6).
  • a second hydraulic cylinder controls the pivoting of the mobile auxiliary chassis relative to the main chassis around the vertical pivot shaft to bring this mobile auxiliary chassis into its working position ( Figure 3) and into its transport position ( Figure 6).
  • a third hydraulic cylinder pivots the cylindrical member in the tubular member, which allows the chassis to be moved away from the ground ( Figure 7).
  • the aim of the present invention is to eliminate the drawbacks of this known method and of this harvesting machine.
  • the phase of lifting the body to bring it into a high position and the phase of positioning the two transport wheels are carried out simultaneously, or at least substantially simultaneously.
  • the transfer of the weight of the body of the two working wheels onto the two transport wheels and the pivoting of the drawbar from the working position to the transport takes place simultaneously, or at least substantially simultaneously.
  • the method according to the invention may include an additional phase which consists in putting in place between the drawbar in the transport position and the body of the additional connecting means preventing the rocking of said body during transport.
  • This additional connection is intended to prevent the body of the machine from swinging about the axis joining the points of contact of the transport wheels with the ground, which would very significantly stress the articulation linking the drawbar to the body of the machine.
  • the transport wheels are brought into the transport position or the rest position using control means. Thanks to this feature, all the operations necessary to bring the harvesting machine from the working position to the transport position and vice versa can be done without the user having to get off the tractor. The ease of use of the machine and the speed of processing are further improved.
  • the harvesting machine (1) is coupled during work and transport to a tractor (2). It consists of a body (3) and a drawbar (4). At its front (5), the drawbar (4) is provided with a coupling and transmission device (6) known to those skilled in the art. This device (6) allows the coupling of the machine (1) to the coupling system (7) of the tractor (2) and transmits the movement that it receives from the tractor (2) via a shaft to universal joints (8), to the drive members of the working tools of the machine (1).
  • the body (3) of the machine (1) is formed by three main sub-assemblies: an intermediate structure (9) and two groups of work tools (10, 11) located respectively on either side of this intermediate structure (9).
  • the drawbar (4) can pivot relative to the intermediate structure (9) so that it can take different positions relative to the intermediate structure (9).
  • the drawbar (4) as shown in strong lines in Figure 1, is in a working position. In dashed lines, another possible working position (401) is shown and in broken lines, a transport position (402).
  • the position of the drawbar (4) relative to the intermediate structure (9) is determined by extendable and retractable means such as the hydraulic cylinder (14) for example.
  • extendable and retractable means such as the hydraulic cylinder (14) for example.
  • one end of the hydraulic cylinder (14) is hingedly mounted on the drawbar (4) which for this purpose has a yoke (15), while the other end of said hydraulic cylinder (14) is mounted articulated on the body (3) of the machine (1) which also includes for this purpose a yoke (16).
  • each group of working tools (10,11) comprises a yoke (19) in which is articulated a suspension arm (20) at the free end of which is linked the corresponding working wheel (17). Thanks to these articulations, the position of each wheel (17) can be modified relative to the corresponding group of working tools (10, 11). This therefore makes it possible to modify the position of the body (3) of the machine (1) relative to the ground.
  • Each group of working tools (10, 11) additionally comprises means for guiding the harvest (21, 22).
  • the intermediate structure (9) has a yoke (23, 24) in which an arm (25) is articulated around an axis (26) (see Figure 2) running parallel or to the less substantially parallel to the direction of transport (41).
  • each arm (25) is provided with a transport wheel (27).
  • the transport wheels (27) do not touch the ground and they are held in this position thanks to a lock (28) which prevents rotation of the arm ( 25) in the yoke (23, 24).
  • the transport wheels (27) are in a position in which they do not interfere with the harvesting operation. Indeed, at the rear, the transport wheel (27) extends between the two crop guide means (22), while at the front, the transport wheel (27) extends relatively anterior to the working area of the machine tools (1).
  • Figure 2 shows a sectional side view of the body (3) of the machine (1).
  • the crop guide means (21, 22) have been removed for better understanding.
  • the machine (1) is in the example described, a mower-conditioner.
  • the working tools are composed of cutting heads (29) and gripping and packaging tools (30).
  • This figure also shows the working wheels (17) and the transport wheels (27).
  • the working wheels (17) it can be seen that the end of the suspension arm (20) remote from the wheel (17) enters the yoke (19) which extends to the lower part of the body ( 3) of the machine (1). Between the suspension arm (20) and said body (3) extends an extendable and retractable device such as a hydraulic cylinder (31).
  • an extendable and retractable device such as a hydraulic cylinder (31).
  • the transport wheels (27) these being in the rest position, that is to say distant from the ground (32). They are held in this position, as said above, by a bolt (28) which passes through the yoke (23 or 24) and the arm (25) of part.
  • the yokes (23, 24) have a hole (33.
  • These yokes (23, 24) also have a second hole (34) into which the lock (28) will be inserted to hold the transport wheels (27) ) in the transport position.
  • These yokes (23, 24) have, in addition to the high stops (35) and low stops (36). Thanks to these, it is relatively easy for the operator to raise or lower the transport wheels (27) Indeed, when the arm (25) abuts against the high stop (35) or the low stop (36), the latch (28) can be introduced without difficulty into the corresponding holes.
  • the length of the body (3) of the machine (1) measured in a direction perpendicular to the working direction (18), is greater than the width of the body (3) of the machine (1 ) measured in the direction of work (18).
  • this length is relatively large so that it is almost impossible to transport the machine (1) parallel to the working direction (18).
  • said width is generally less than the maximum authorized widths for road transport. It is therefore advantageous to transport the machine (1) so that the longest side of its body (3) extends parallel to the transport direction (41). To do this, the machine (1) must undergo transformations, the process of which is the subject of the present invention.
  • Figures 3 to 6 show this process of transforming the machine (1) to bring it from the working position into the transport position.
  • the first phase is shown in Figure 3. It consists of lifting the body (3) of the machine (1) to bring it into a high position. To do this, oil is injected into the hydraulic cylinders (31) through the lines (37) so that they lengthen. Elongating, they produce the rotation of the suspension arms (20) in the yokes (19). As the working wheels (17) remain in contact with the ground (32), this rotation of the suspension arms (20) in the yokes (19) causes the body (3) to move away from the ground (32).
  • the transport wheels (27) rotate, during transport, in planes of rotation substantially parallel to the longitudinal axis (39) of the body (3) of the machine (1) (see FIG. 1).
  • the center of gravity (G) of the body (3) is relatively close to the ground (32).
  • the transport wheels (27) being located substantially on either side of the body (3) of the machine (1, they are loaded relatively uniformly. All of these provisions increase the stability of the machine (1) during transport .
  • the front (5) of the drawbar (4) can remain coupled to the tractor (2).
  • the relative pivoting between the drawbar (4) and the body (3) of the machine (1) causes the rotation of the body (3) of the machine (1) around the axis (12). This is possible because the body (3) of the machine (1) is supported on the ground (32) by means of the transport wheels (27), and can therefore roll on the ground (32).
  • the additional connection to the transport between the drawbar (4) and the body (3) of the machine (1) takes place automatically. It will also be noted that when putting into the working position from the transport position, the drawbar (4) can also, thanks to the yoke (46), automatically untie from the additional connecting means (42).
  • the transport wheels (27) are brought manually to the lowered transport position or to the raised position of rest by the operator, in the embodiment of FIGS. 9 and 10, this phase is carried out using extensible and retractable means, such as the hydraulic cylinder (49).
  • This hydraulic cylinder (49) acts between the arms (25) which for this purpose have two arm extensions (50).
  • the transport wheels (27) are in the raised rest position.
  • the line (51) of the hydraulic cylinder (49) is under pressure, which tends to want to shorten the length of the cylinder (49) which then presses the arms (25) supporting the transport wheels (27) against the high stops ( 35) and maintains said wheels (27) in this position.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Agricultural Machines (AREA)

Claims (15)

1. Verfahren zum Umstellen einer Erntemaschine (1) mit dem Ziel, sie aus einer Arbeitsstellung, in welcher die Längsachse (39) ihres Körpers (3) quer zur Arbeitsrichtung (18) ausgerichtet ist, in eine Transportstellung zu bringen, in welcher die Längachse (39) ihres Körpers (3) parallel oder zumindest im wesentlichen parallel zur Transportrichtung (41) ausgerichtet ist, wobei die Erntemaschine (1), während dieses Umstellens, mit dem Schlepper (2) gekuppelt bleibt, Verfahren, welches die folgenden Phasen in der angegebenen chronologischen Reihenfolge umfasst:
man hebt den Körper (3) an, der sich im Betrieb auf zwei Arbeitsrädern (17) abstützt, die sich hinter zumindest einem Teil der Arbeitswerkzeuge (29, 30) des Körpers (3) erstrecken, um diesen Körper (3) in eine angehobene Stellung zu bringen, und dies mittels der beiden Arbeitsräder (17) ;
man bringt zwei stets auf dem Körper (3) montierte Transporträder (27), die von den beiden Arbeitsrädern (17) verschieden sind, in Stellung, wobei sich die Transporträder (27) beim Transport im wesentlichen zu beiden Seiten des Körpers (3) befinden und in im wesentlichen zur Längsachse (39) des Körpers (3) parallelen Ebenen rotieren ;
man verlagert das gesamte Gewicht des Körpers (3) oder zumindest im wesentlichen das gesamte Gewicht des Körpers (3) von den beiden Arbeitsrädern (17) gleichzeitig oder zumindest im wesentlichen gleichzeitig auf die beiden Transporträder (27), indem man die beiden Arbeitsräder (17) anhebt; und
man schwenkt mittels einer Steuereinrichtung (14) die Anbaudeichsel (4) in Bezug auf den Körper (3) aus einerArbeitsstellung in eine Transportstellung, wobei die Anbaudeichsel (4) übereine Gelenkverbindung mit aufrechtstehender Achse (12) mit dem mittleren Teil des Körpers (3) verbunden ist und, während derVerschwenkung, mit dem Schlepper (2) gekuppelt bleibt.
2. Verfahren zum Umstellen einer Erntemaschine, um sie aus einer Arbeitsstellung in eine Transportstellung zu bringen, nach Anspruch 1, dadurch gekennzeichnet, dass die Phase des Anhebens des Körpers (3), um ihn in eine angehobene Stellung zu bringen, und die Phase, in der die beiden Transporträder (27) in Stellung gebracht werden, gleichzeitig oder zumindest im wesentlichen gleichzeitig ablaufen.
3. Verfahren zum Umstellen einer Erntemaschine, um sie aus einer Arbeitsstellung in eine Transportstellung zu bringen, nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verlagerung des Gewichts des Körpers (3) von den beiden Arbeitsrädern (17) auf die beiden Transporträder (27) und die Verschwenkung der Anbaudeichsel (4) von der Arbeitsstellung in die Transportstellung gleichzeitig oder zumindest im wesentlichen gleichzeitig stattfinden.
4. Verfahren zum Umstellen einer Erntemaschine, um sie aus einer Arbeitsstellung in eine Transportstellung zu bringen, nach zumindest einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass es eine zusätzliche Phase umfasst, die darin besteht, dass man zwischen der in Transportstellung (402) befindlichen Deichsel (4) und dem Körper (3) zusätzliche Verbindungselemente (42) anbringt, um Pendelbewegungen des Körpers (3) während des Transports zu vermeiden.
5. Erntemaschine, bestehend aus :
einem mit Arbeitswerkzeugen (29, 30) ausgestatteten Körper (3), der sich im Betrieb auf zwei Arbeitsrädern (17), die sich hinter, zumindest einem Teil der Arbeitswerkzeuge (29, 30) erstrecken, und beim Transport auf zwei Transporträdern (27) abstützt, wobei die Arbeitsräder (17) mit dem Körper (3) über Elemente (19, 20) verbunden sind, die eine Veränderung der Vertikallage der Arbeitsräder (17) in bezug auf den Körper (3) unter Mitwirkung einer Steuereinrichtung (31) ermöglichen, und wobei sich die Transporträder (27) beim Transport im wesentlichen zu beiden Seiten des Körpers (3) befinden und in zur Längsachse (39) des Körpers (3) im wesentlichen parallelen Ebenen rotieren, indem sie das gesamte Gewicht des Körpers (3) oder zumindest im wesentlichen das gesamte Gewicht des Körpers (3) tragen ; und
einer Deichsel (4), die mit dem Körper (3) im Mittelbereich dieses, wo sich die zwei Transporträder (27) erstrecken, über eine Gelenkverbindung mit aufrechtstehender Achse (12) verbunden ist, wobei die Deichsel (4) mit Hilfe einer Steuereinrichtung (14) aus zumindest einer Arbeitsstellung (4, 401) in eine Transportstellung (402) geschwenkt werden kann ;
wobei die zur Durchführung des Umstellverfahrens nach zumindest einem der Ansprüche 1 bis 4 bestimmte Erntemaschine (1) dadurch gekennzeichnet ist, dass
die beiden Transporträder (27) von den beiden Arbeitsrädern (17) verschieden sind ;
jedes Transportrad (27) mit dem Körper (3) über eine Gelenkverbindung mit zur Transportrichtung (41) paralleler oder zumindest im wesentlichen paralleler Achse (26) derart verbunden ist, dass es aus einer Ruhelage, wo es den Erntevorgang nicht behindert, in die Transportstellung gebracht werden kann ; und
der Körper (3) einen Zwischenteil (9) aufweist, der im Mittelbereich des Körpers (3), oberhalb der Arbeitswerkzeuge (20, 30) derart angeordnet ist, dass zwei Gruppen von Arbeitswerkzeugen (29, 30) sich in der Draufsicht und bezugnehmend auf die Arbeitsrichtung (18) jeweils zu beiden Seiten des Zwischenteils (9) befinden, wobei eines der Transporträder (27), bezugnehmend auf die Arbeitsrichtung (18), am Vorderteil des Zwischenteils (9) angelenkt ist.
6. Erntemaschine nach Anspruch 5, dadurch gekennzeichnet, dass die Transportstellung jedes Transportrades (27) durch einen unteren Anschlag (36) bestimmt ist.
7. Erntemaschine nach einem derAnsprüche 5 oder 6, dadurch gekennzeichnet, dass die Ruhestellung jedes Transportrades (27) durch einen oberen Anschlag (35) bestimmt ist.
8. Erntemaschine nach zumindest einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Umstellung der Transporträder (27) in Transportstellung oder in Ruhestellung mittels Steuerelementen (49) erfolgt.
9. Erntemaschine nach zumindest einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass die Deichsel (4) und die beiden Transporträder (27) mit dem Zwischenteil (9) verbunden sind.
10. Erntemaschine nach zumindest einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass die Deichsel (4) in Transportstellung mit dem Körper (3) durch zusätzliche Verbindungselemente (42) verbunden ist, die die Pendelbewegung des Körpers (3) während des Transports ausschalten.
11. Erntemaschine nach Anspruch 10, dadurch gekennzeichnet, dass die zusätzlichen Verbindungselemente (42) an dem Ende des Körpers (3) vorgesehen sind, zu dem die Deichsel (4) für den Transport geschwenkt wird.
12. Erntemaschine nach einem der Ansprüche 10 oder 11, dadurch gekennzeichnet, dass sich die zusätzlichen Verbindungselemente (42) automatisch mit der Deichsel (4) verbinden, wenn die Deichsel (4) in die Transportstellung geschwenkt wird.
13. Erntemaschine nach zumindest einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass die zusätzlichen Verbindungselemente (42) automatisch aus der Deichsel (4) ausrasten, wenn die Deichsel (4) aus der Transportstellung geschwenkt wird.
14. Erntemaschine nach zumindest einem der Ansprüche 5 bis 13, dadurch gekennzeichnet, dass die Maschine (1) ein Mähwerk ist.
15. Erntemaschine nach Anspruch 14, dadurch gekennzeichnet, dass das Mähwerk Konditionierorgane (30) umfasst.
EP85440050A 1984-07-19 1985-07-15 Verfahren zum Umbauen einer Erntemaschine von einer Arbeitsposition zu einer Transportposition und Erntemaschine, die dieses Verfahren anwendet Expired - Lifetime EP0178239B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8411626A FR2567710B1 (fr) 1984-07-19 1984-07-19 Procede de transformation d'une machine de recolte pour l'amener d'une position de travail dans une position de transport, et machine de recolte utilisant ce procede
FR8411626 1984-07-19

Publications (3)

Publication Number Publication Date
EP0178239A1 EP0178239A1 (de) 1986-04-16
EP0178239B1 EP0178239B1 (de) 1990-04-18
EP0178239B2 true EP0178239B2 (de) 1993-04-21

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EP85440050A Expired - Lifetime EP0178239B2 (de) 1984-07-19 1985-07-15 Verfahren zum Umbauen einer Erntemaschine von einer Arbeitsposition zu einer Transportposition und Erntemaschine, die dieses Verfahren anwendet

Country Status (8)

Country Link
US (1) US4986064A (de)
EP (1) EP0178239B2 (de)
AU (1) AU580786B2 (de)
DE (1) DE3577175D1 (de)
DK (1) DK172265B1 (de)
FR (1) FR2567710B1 (de)
HU (1) HU206008B (de)
ZA (1) ZA855265B (de)

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Also Published As

Publication number Publication date
HUT39046A (en) 1986-08-28
DK331485A (da) 1986-01-20
HU206008B (en) 1992-08-28
DK331485D0 (da) 1985-07-19
FR2567710A1 (fr) 1986-01-24
US4986064A (en) 1991-01-22
AU580786B2 (en) 1989-02-02
EP0178239A1 (de) 1986-04-16
DE3577175D1 (de) 1990-05-23
EP0178239B1 (de) 1990-04-18
FR2567710B1 (fr) 1987-05-07
DK172265B1 (da) 1998-02-16
AU4476885A (en) 1986-01-23
ZA855265B (en) 1986-03-26

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